Skip to data content Skip to data search
Corporate computing and storage systems supporting the EOL data archive will be powered off for maintenance and unavailable 26 July to 02 August 2021. The EOL data archive website should remain up and available however some connectivity outages may occur. Most data orders and downloads will not be available. Please try again after 03 August 2021.

OTREC: NCAR HCR radar moments data


This dataset contains HIAPER Cloud Radar (HCR) data collected aboard the NSF/NCAR GV HIAPER (Gulfstream-V High-performance Instrumented Airborne Platform for Environmental Research, HIAPER) (N677F) during OTREC (Organization of Tropical East Pacific Convection). The data were collected during 22 research flights which took place between August 7 and October 2, 2019, over the East Pacific and extreme SW Caribbean Ocean.

Data access

Dataset is unavailable due to systems maintenance. Please try again after 03 Aug 2021. We apologize for the inconvenience.

Additional information

Data Quality final
  • 0.1 (2019-11-07):

    Version 0.1 is the raw field data.

  • 1.0 (2020-01-03):

    Quality controlled final data set.

  • 2.0 (2020-02-24):

    Radar variables stayed the same. Model variables were upgraded to ERA5 (instead of ECMWF forecasts).

  • 2.1 (2020-08-10):

    Freezing level data field was added.

  • 2.2 (2021-04-20):

    Freezing level was replaced with melting layer field. Icing level was added.

(Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
Subscribe Subscribe to receive email when new or updated data is available.
Related projects
Frequency < 1 second
Language English
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2019-08-07 00:00:00
End datetime 2019-10-03 00:00:00

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 15.00, Minimum (South) Latitude: 2.00
Minimum (West) Longitude: -90.00, Maximum (East) Longitude: -73.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Example citation following ESIP guidelines:

NCAR/EOL Remote Sensing Facility. 2021. OTREC: NCAR HCR radar moments data. Version 2.2. UCAR/NCAR - Earth Observing Laboratory. Accessed 01 Aug 2021.

Today's date is shown: please replace with the date of your most recent access.

Additional citation styles

The citation text below is from the DataCite Content Resolver service and may take a few seconds to load. The styles and locales are obtained from CrossCite, which also provides a citation formatter. See ReFindit for another alternative. Formatting is not perfect: please verify and edit before use. Today's date is shown: please replace with the date of your most recent access.

Style: Locale:

Ancillary information

Metadata download

Note that your browser may not display the above metadata links, but automatically save them as files in a folder such as "Downloads"